I have a JVC RS25 and was very happy with the THX colour setting and the custom one I calibrated with the Digital Video Essentials: HD Basics blu-ray disk. Then one of the installers on the AVS Forum calibration thread posted his settings for the extensive CMS the RS25 has. I entered all his settings as a base and calibrated again with the DVE disk. Wow, what an improvement. Now I calibrate those setting every few hundred hours as the bulb changes and am still blown away by the picture quality.